CN104575517B - 高频重建期间的音频信号处理 - Google Patents
高频重建期间的音频信号处理 Download PDFInfo
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- CN104575517B CN104575517B CN201410643303.5A CN201410643303A CN104575517B CN 104575517 B CN104575517 B CN 104575517B CN 201410643303 A CN201410643303 A CN 201410643303A CN 104575517 B CN104575517 B CN 104575517B
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0204—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/032—Quantisation or dequantisation of spectral components
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
- Stereo-Broadcasting Methods (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US36551810P | 2010-07-19 | 2010-07-19 | |
| US61/365,518 | 2010-07-19 | ||
| US38672510P | 2010-09-27 | 2010-09-27 | |
| US61/386,725 | 2010-09-27 | ||
| CN201180016982.8A CN103155033B (zh) | 2010-07-19 | 2011-07-14 | 高频重建期间的音频信号处理 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180016982.8A Division CN103155033B (zh) | 2010-07-19 | 2011-07-14 | 高频重建期间的音频信号处理 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104575517A CN104575517A (zh) | 2015-04-29 |
| CN104575517B true CN104575517B (zh) | 2018-06-01 |
Family
ID=44514661
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410643303.5A Active CN104575517B (zh) | 2010-07-19 | 2011-07-14 | 高频重建期间的音频信号处理 |
| CN201180016982.8A Active CN103155033B (zh) | 2010-07-19 | 2011-07-14 | 高频重建期间的音频信号处理 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180016982.8A Active CN103155033B (zh) | 2010-07-19 | 2011-07-14 | 高频重建期间的音频信号处理 |
Country Status (19)
| Country | Link |
|---|---|
| US (6) | US9117459B2 (fr) |
| EP (11) | EP3544008B1 (fr) |
| JP (10) | JP5753893B2 (fr) |
| KR (12) | KR102304093B1 (fr) |
| CN (2) | CN104575517B (fr) |
| AU (7) | AU2011281735B2 (fr) |
| BR (2) | BR112012024360B1 (fr) |
| CA (10) | CA3209829C (fr) |
| CL (1) | CL2012002699A1 (fr) |
| DK (2) | DK2596497T3 (fr) |
| ES (10) | ES2942867T3 (fr) |
| HK (3) | HK1199973A1 (fr) |
| MX (1) | MX2012010854A (fr) |
| MY (2) | MY177748A (fr) |
| NO (1) | NO2765572T3 (fr) |
| PL (10) | PL3291230T3 (fr) |
| RU (3) | RU2530254C2 (fr) |
| SG (3) | SG183501A1 (fr) |
| WO (1) | WO2012010494A1 (fr) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8971551B2 (en) | 2009-09-18 | 2015-03-03 | Dolby International Ab | Virtual bass synthesis using harmonic transposition |
| JP5754899B2 (ja) | 2009-10-07 | 2015-07-29 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
| JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| KR102304093B1 (ko) | 2010-07-19 | 2021-09-23 | 돌비 인터네셔널 에이비 | 고주파 복원 동안 오디오 신호들의 프로세싱 |
| JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
| JP5707842B2 (ja) | 2010-10-15 | 2015-04-30 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
| CN104321815B (zh) * | 2012-03-21 | 2018-10-16 | 三星电子株式会社 | 用于带宽扩展的高频编码/高频解码方法和设备 |
| US9173041B2 (en) * | 2012-05-31 | 2015-10-27 | Purdue Research Foundation | Enhancing perception of frequency-lowered speech |
| CN104704855B (zh) * | 2012-10-15 | 2016-08-24 | 杜比国际公司 | 用于减小基于换位器的虚拟低音系统中的延迟的系统及方法 |
| CN117253498A (zh) * | 2013-04-05 | 2023-12-19 | 杜比国际公司 | 音频信号的解码方法和解码器、介质以及编码方法 |
| JP6305694B2 (ja) * | 2013-05-31 | 2018-04-04 | クラリオン株式会社 | 信号処理装置及び信号処理方法 |
| KR101789083B1 (ko) | 2013-06-10 | 2017-10-23 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에.베. | 분포 양자화 및 코딩을 사용하는 누적 합계 표현의 모델링에 의한 오디오 신호 엔벨로프 인코딩, 처리 및 디코딩을 위한 장치 및 방법 |
| JP6224233B2 (ja) | 2013-06-10 | 2017-11-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 分配量子化及び符号化を使用したオーディオ信号包絡の分割によるオーディオ信号包絡符号化、処理及び復号化の装置と方法 |
| US9489959B2 (en) * | 2013-06-11 | 2016-11-08 | Panasonic Intellectual Property Corporation Of America | Device and method for bandwidth extension for audio signals |
| WO2014202701A1 (fr) * | 2013-06-21 | 2014-12-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Décodeur audio possédant un module d'extension de bande passante doté d'un module de réglage d'énergie |
| TWI557726B (zh) * | 2013-08-29 | 2016-11-11 | 杜比國際公司 | 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法 |
| US9666202B2 (en) * | 2013-09-10 | 2017-05-30 | Huawei Technologies Co., Ltd. | Adaptive bandwidth extension and apparatus for the same |
| EP3048609A4 (fr) | 2013-09-19 | 2017-05-03 | Sony Corporation | Dispositif et procédé de codage, dispositif et procédé de décodage, et programme |
| US10163447B2 (en) * | 2013-12-16 | 2018-12-25 | Qualcomm Incorporated | High-band signal modeling |
| CN105849801B (zh) | 2013-12-27 | 2020-02-14 | 索尼公司 | 解码设备和方法以及程序 |
| US20150194157A1 (en) * | 2014-01-06 | 2015-07-09 | Nvidia Corporation | System, method, and computer program product for artifact reduction in high-frequency regeneration audio signals |
| CN105096957B (zh) | 2014-04-29 | 2016-09-14 | 华为技术有限公司 | 处理信号的方法及设备 |
| EP2980795A1 (fr) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codage et décodage audio à l'aide d'un processeur de domaine fréquentiel, processeur de domaine temporel et processeur transversal pour l'initialisation du processeur de domaine temporel |
| EP2980794A1 (fr) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codeur et décodeur audio utilisant un processeur du domaine fréquentiel et processeur de domaine temporel |
| TW202242853A (zh) * | 2015-03-13 | 2022-11-01 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
| TW202341126A (zh) * | 2017-03-23 | 2023-10-16 | 瑞典商都比國際公司 | 用於音訊信號之高頻重建的諧波轉置器的回溯相容整合 |
| EP3659040A4 (fr) * | 2017-07-28 | 2020-12-02 | Dolby Laboratories Licensing Corporation | Procédé et système de fourniture de contenu multimédia à un client |
| KR20200099561A (ko) | 2017-12-19 | 2020-08-24 | 돌비 인터네셔널 에이비 | 통합 음성 및 오디오 디코딩 및 인코딩 개선을 위한 방법, 장치 및 시스템 |
| TWI809289B (zh) * | 2018-01-26 | 2023-07-21 | 瑞典商都比國際公司 | 用於執行一音訊信號之高頻重建之方法、音訊處理單元及非暫時性電腦可讀媒體 |
| JP7381483B2 (ja) * | 2018-04-04 | 2023-11-15 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | 自然な空間多様性をシミュレートするための動的オーディオアップミキサのパラメータ |
| CN112189231A (zh) * | 2018-04-25 | 2021-01-05 | 杜比国际公司 | 高频音频重建技术的集成 |
| TWI820123B (zh) | 2018-04-25 | 2023-11-01 | 瑞典商都比國際公司 | 具有減少後處理延遲之高頻重建技術之整合 |
| CN117079657B (zh) * | 2023-10-16 | 2024-01-26 | 中国铁塔股份有限公司 | 压限处理方法、装置、电子设备及可读存储介质 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408109A (zh) * | 1999-01-27 | 2003-04-02 | 编码技术瑞典股份公司 | 利用自适应噪声本底相加和噪声替换限制,增强sbr和有关hfr编码方法的感知性能 |
| CN1481545A (zh) * | 2000-11-14 | 2004-03-10 | ���뼼�����ɷݹ�˾ | 利用自适应滤波改善高频重建编码方法的感知性能 |
| CN101521014A (zh) * | 2009-04-08 | 2009-09-02 | 武汉大学 | 音频带宽扩展编解码装置 |
| CN101681623A (zh) * | 2007-04-30 | 2010-03-24 | 三星电子株式会社 | 对高频带编码和解码的方法和设备 |
Family Cites Families (48)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3587251T2 (de) | 1984-12-20 | 1993-07-15 | Gte Laboratories Inc | Anpassbares verfahren und vorrichtung fuer sprachkodierung. |
| DE3943880B4 (de) * | 1989-04-17 | 2008-07-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Digitales Codierverfahren |
| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| US6385573B1 (en) | 1998-08-24 | 2002-05-07 | Conexant Systems, Inc. | Adaptive tilt compensation for synthesized speech residual |
| JP4842483B2 (ja) | 1999-12-24 | 2011-12-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | マルチチャネルオーディオ信号処理装置及び方法 |
| SE0004187D0 (sv) * | 2000-11-15 | 2000-11-15 | Coding Technologies Sweden Ab | Enhancing the performance of coding systems that use high frequency reconstruction methods |
| SE0004818D0 (sv) * | 2000-12-22 | 2000-12-22 | Coding Technologies Sweden Ab | Enhancing source coding systems by adaptive transposition |
| ES2237706T3 (es) * | 2001-11-29 | 2005-08-01 | Coding Technologies Ab | Reconstruccion de componentes de alta frecuencia. |
| US20030187663A1 (en) * | 2002-03-28 | 2003-10-02 | Truman Michael Mead | Broadband frequency translation for high frequency regeneration |
| JP2004010415A (ja) | 2002-06-06 | 2004-01-15 | Kawasaki Refract Co Ltd | マグクロ質吹き付け補修材 |
| US7555434B2 (en) * | 2002-07-19 | 2009-06-30 | Nec Corporation | Audio decoding device, decoding method, and program |
| JP4313993B2 (ja) | 2002-07-19 | 2009-08-12 | パナソニック株式会社 | オーディオ復号化装置およびオーディオ復号化方法 |
| DE60303689T2 (de) * | 2002-09-19 | 2006-10-19 | Matsushita Electric Industrial Co., Ltd., Kadoma | Audiodecodierungsvorrichtung und -verfahren |
| PL376861A1 (pl) * | 2002-11-29 | 2006-01-09 | Koninklijke Philips Electronics N.V. | Kodowanie sygnału audio |
| KR100524065B1 (ko) | 2002-12-23 | 2005-10-26 | 삼성전자주식회사 | 시간-주파수 상관성을 이용한 개선된 오디오 부호화및/또는 복호화 방법과 그 장치 |
| US7318035B2 (en) | 2003-05-08 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Audio coding systems and methods using spectral component coupling and spectral component regeneration |
| JP2005040749A (ja) | 2003-07-25 | 2005-02-17 | Toyo Ink Mfg Co Ltd | 紫外線硬化型塗料組成物の硬化方法 |
| EP2221807B1 (fr) | 2003-10-23 | 2013-03-20 | Panasonic Corporation | Appareil de codage du spectre, appareil de decodage du spectre, appareil de transmission de signaux acoustiques, appareil de réception de signaux acoustiques, et procédés s'y rapportant |
| WO2005043511A1 (fr) * | 2003-10-30 | 2005-05-12 | Koninklijke Philips Electronics N.V. | Codage ou decodage de signaux audio |
| RU2323551C1 (ru) | 2004-03-04 | 2008-04-27 | Эйджир Системс Инк. | Частотно-ориентированное кодирование каналов в параметрических системах многоканального кодирования |
| BRPI0418665B1 (pt) * | 2004-03-12 | 2018-08-28 | Nokia Corp | método e decodificador para sintetizar um sinal de áudio mono baseado no sinal de áudio codificado de múltiplos canais disponíveis, terminal móvel e sistema de codificação |
| WO2006003813A1 (fr) | 2004-07-02 | 2006-01-12 | Matsushita Electric Industrial Co., Ltd. | Appareil de codage et de decodage audio |
| WO2007037361A1 (fr) | 2005-09-30 | 2007-04-05 | Matsushita Electric Industrial Co., Ltd. | Dispositif et procédé de codage audio |
| US20080071550A1 (en) * | 2006-09-18 | 2008-03-20 | Samsung Electronics Co., Ltd. | Method and apparatus to encode and decode audio signal by using bandwidth extension technique |
| ES2947516T3 (es) | 2006-10-25 | 2023-08-10 | Fraunhofer Ges Forschung | Aparato y procedimiento para la generación de valores de subbanda de audio de valor complejo |
| US8295507B2 (en) * | 2006-11-09 | 2012-10-23 | Sony Corporation | Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium |
| US8189812B2 (en) * | 2007-03-01 | 2012-05-29 | Microsoft Corporation | Bass boost filtering techniques |
| PL2186090T3 (pl) * | 2007-08-27 | 2017-06-30 | Telefonaktiebolaget Lm Ericsson (Publ) | Detektor stanów przejściowych i sposób wspierający kodowanie sygnału audio |
| JP5098530B2 (ja) * | 2007-09-12 | 2012-12-12 | 富士通株式会社 | 復号化装置、復号化方法および復号化プログラム |
| EP2045801B1 (fr) * | 2007-10-01 | 2010-08-11 | Harman Becker Automotive Systems GmbH | Traitement de signal audio efficace dans le régime de sous-bande, méthode, système et programme d'ordinateur associé |
| WO2009066960A1 (fr) * | 2007-11-21 | 2009-05-28 | Lg Electronics Inc. | Procédé et appareil de traitement de signal |
| CN101458930B (zh) * | 2007-12-12 | 2011-09-14 | 华为技术有限公司 | 带宽扩展中激励信号的生成及信号重建方法和装置 |
| US9275648B2 (en) * | 2007-12-18 | 2016-03-01 | Lg Electronics Inc. | Method and apparatus for processing audio signal using spectral data of audio signal |
| ATE500588T1 (de) | 2008-01-04 | 2011-03-15 | Dolby Sweden Ab | Audiokodierer und -dekodierer |
| KR101413968B1 (ko) * | 2008-01-29 | 2014-07-01 | 삼성전자주식회사 | 오디오 신호의 부호화, 복호화 방법 및 장치 |
| MX2011000365A (es) * | 2008-07-11 | 2011-02-25 | Ten Forschung Ev Fraunhofer | Aparato y metodo para generar una señal de ancho de banda ampliado. |
| WO2010016271A1 (fr) | 2008-08-08 | 2010-02-11 | パナソニック株式会社 | Dispositif de lissage spectral, dispositif de codage, dispositif de décodage, dispositif de terminal de communication, dispositif de station de base et procédé de lissage spectral |
| JP2010079275A (ja) | 2008-08-29 | 2010-04-08 | Sony Corp | 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム |
| ES2966639T3 (es) * | 2009-01-16 | 2024-04-23 | Dolby Int Ab | Transposición armónica mejorada de producto cruzado |
| DK2211339T3 (en) * | 2009-01-23 | 2017-08-28 | Oticon As | listening System |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| JP4945586B2 (ja) * | 2009-02-02 | 2012-06-06 | 株式会社東芝 | 信号帯域拡張装置 |
| EP2239732A1 (fr) * | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Appareil et procédé pour générer un signal audio de synthèse et pour encoder un signal audio |
| TWI556227B (zh) * | 2009-05-27 | 2016-11-01 | 杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法，及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
| ES2805349T3 (es) * | 2009-10-21 | 2021-02-11 | Dolby Int Ab | Sobremuestreo en un banco de filtros de reemisor combinado |
| JP5844266B2 (ja) * | 2009-10-21 | 2016-01-13 | ドルビー・インターナショナル・アクチボラゲットＤｏｌｂｙ Ｉｎｔｅｒｎａｔｉｏｎａｌ Ａｂ | 適応オーバーサンプリングを用いる高周波数オーディオ信号を発生させるための装置および方法 |
| US9047875B2 (en) | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| KR102304093B1 (ko) | 2010-07-19 | 2021-09-23 | 돌비 인터네셔널 에이비 | 고주파 복원 동안 오디오 신호들의 프로세싱 |
-
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1408109A (zh) * | 1999-01-27 | 2003-04-02 | 编码技术瑞典股份公司 | 利用自适应噪声本底相加和噪声替换限制,增强sbr和有关hfr编码方法的感知性能 |
| CN1481545A (zh) * | 2000-11-14 | 2004-03-10 | ���뼼�����ɷݹ�˾ | 利用自适应滤波改善高频重建编码方法的感知性能 |
| CN101681623A (zh) * | 2007-04-30 | 2010-03-24 | 三星电子株式会社 | 对高频带编码和解码的方法和设备 |
| CN101521014A (zh) * | 2009-04-08 | 2009-09-02 | 武汉大学 | 音频带宽扩展编解码装置 |
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